| Modèle | Vitesse maximale |
|---|---|
| 959J | 3.6 km/h - 2.2 mile / h |
| 953J | 4 km/h - 2.5 mile / h |
| 909J | 4 km/h - 2.5 mile / h |
| 903J | 4 km/h - 2.5 mile / h |
| 853J | 4.2 km/h - 2.6 mile / h |
| 843J | 20.1 km/h - 12.5 mile / h |
| 759J | 3.9 km/h - 2.4 mile / h |
| 753J | 3.9 km/h - 2.4 mile / h |
| 643J | 20.1 km/h - 12.5 mile / h |